<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>在线尝试 Bootstrap 实例</title>
    <meta name="viewport" content="width=device-width,
                                     initial-scale=1.0,
                                     maximum-scale=1.0,
                                     user-scalable=no">

    <link rel="stylesheet" href="css/bootstrap.css">
    <script src="js/jquery-3.2.1.js"></script>
    <script src="js/bootstrap.js"></script>
</head>
<body>
<div class="container">



    <div style="padding: 100px 100px 10px;">
        <form class="bs-example bs-example-form" role="form">
            <div class="input-group">
                <span class="input-group-addon">@</span>
                <input type="text" class="form-control" placeholder="twitterhandle">
            </div>
            <br>
            <div class="input-group">
                <input type="text" class="form-control">
                <span class="input-group-addon">.00</span>
            </div>
            <br>
            <div class="input-group">
                <span class="input-group-addon">$</span>
                <input type="text" class="form-control">
                <span class="input-group-addon">.00</span>
            </div>
        </form>
    </div>




</div>
</body>
</html>